After noticing the Google Trends from a lifehacker post, I decided to check out how well Linux is faring against windows.
Read the analysis here

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It seems that Ubuntu is slowly overcoming Windows XP in search popularity and even though Vista is still ahead which I will attribute in part to the ridiculous hype it has received. Currently ubuntu is slighly over XP in search popularity but that could be a minor surge as what happened back when Feisty came out. However if you take in the continuous downward trend of XP it might stay that way now that Gutsy is out.